How Long Does It Take to Get an EIN in 2026?
The answer: anywhere from instant to 6 weeks depending on your application method.
Quick Summary
EIN Processing Times by Method
Online (IRS Website)
InstantAvailable Mon-Fri, 7am-10pm EST. You receive your EIN immediately upon completion.
Note: Only for US residents with SSN. Session times out after 15 minutes of inactivity.
Phone Application
~15 minCall IRS at 1-800-829-4933. Mon-Fri, 7am-10pm local time.
Note: Hold times can exceed 30+ minutes. Not available for all entity types.
Fax Application
4 daysFax Form SS-4 to your state's IRS fax number. Response faxed back.
Note: Must have fax machine. Handwriting must be legible.
Mail Application
4-6 weeksMail Form SS-4 to IRS. Wait for response letter.
Note: Only use if other methods unavailable. Can take even longer during tax season.
Professional Service
Same-day review target - 5 daysExpert handling of Form SS-4 completion, IRS submission, and delivery.
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Express review is available for urgent filings, subject to IRS availability.
What Affects EIN Processing Time?
1. Your Eligibility for Online Application
The fastest method (online) requires:
- US-based responsible party with valid SSN or ITIN
- Principal business in US or US territories
- Application during IRS business hours
Non-US applicants must apply by phone or fax—no online option available.
2. Application Errors
Mistakes on Form SS-4 can add days to months to your timeline:
- Name mismatch with SSN records → Rejection + reapply
- Wrong entity type selection → Tax filing issues later
- Applying before LLC formation → EIN for non-existent entity
3. Time of Year
During tax season (January-April), IRS processing times can increase significantly. Mail applications that normally take 4 weeks can take 6-8+ weeks. Plan ahead if forming a business in Q1.
When Do You Need Your EIN Fast?
Opening a Business Bank Account
Many banks may ask for your EIN before opening a business account. If you have a meeting scheduled, get your EIN first.
Signing a Client Contract
Clients often require your EIN for their records. Don't lose a deal over paperwork delays.
Hiring Your First Employee
You need an EIN before running payroll. Don't let hiring timelines slip because of IRS processing.
Applying for Business Licenses
Many states and localities require EINs for business license applications.
Frequently Asked Questions
Can I get an EIN instantly?
Yes—if you apply online through the IRS website during business hours (Mon-Fri, 7am-10pm EST) and qualify for online application. Your EIN is issued immediately upon completion. Professional services also offer same-day review target for those who want expert assistance.
Why does mail take so long?
Mail applications require manual processing by IRS staff. Your form sits in a queue, is manually reviewed, entered into the system, and then a response letter is mailed back. This process takes 4-6 weeks minimum, longer during tax season.
What if I need my EIN urgently but can't apply online?
If you're ineligible for online application (non-US resident, no SSN), your options are phone (15+ min call), fax (4 days), or a professional service that can navigate the process for you with expedited processing.
How long until I can use my new EIN?
You can use your EIN immediately for most purposes (banking, contracts, etc.). However, it takes about 2 weeks for the EIN to fully propagate through all IRS systems. Some entities (like e-file providers) may not recognize brand-new EINs immediately.
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Choose your speed: Basic (3-5 days), Standard (24-48 hour estimate), or Express (same-day).